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  • Is there an open source cross-platform push server?

    - by Ian
    I'm currently in need of a (preferably open-source) free push server, that supports both linux and windows. I need something similar to the Ajax Push Engine, but that project unfortunatelly does not work on windows (I could use a virtual machine, but that's not what I'm looking for). I need to be able to push information to/from a python daemon, from a php script, to/from javascript and to a Blackberry application (built with java). Is there any tool that could help me with that? I've also looked into the Orbited project but frankly it lacks a lot of documentation and it's been very complicated to understand it. I'm not sure if it could work for me since it isn't actually a push server, but rather a proxy for it's built in MorbidQ server (or am I wrong?). Would a technology like Advanced Message Queing Protocol work for a project like this? Something like RabbitMQ or ActiveMQ? Thank you very much for the help.

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  • Error message when trying to insert method into touchesBegan

    - by Rob
    I am trying to create a new method within my TapDetectingImageView file and it's giving me a warning that it cannot find the method even though I have it declared in the .h file. The specific three warnings all point to the @end line in the .m file when I build it and they say: "Incomplete implementation of class 'TapDetectingImageView' ; 'Method definition for '-functionA:' not found" ; "Method definition for '-functionB:' not found" What am I missing? Am I not allowed to do this in a protocol file like TapDetectingImageView? In my .h file is: @interface TapDetectingImageView : UIImageView <AVAudioPlayerDelegate> { id <TapDetectingImageViewDelegate> delegate; } @property (nonatomic, assign) id <TapDetectingImageViewDelegate> delegate; -(void) functionA:(NSString*)aVariable; -(void) functionB:(NSString*)aVariable; @end In my .m file is: -(void)functionA:(NSString*)aVariable { // do stuff in this function with aVariable } -(void)functionB:(NSString*)aVariable { // do stuff in this function with aVariable }

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  • Flex/actionscript 3 equivalents for __FILE__ and __LINE__

    - by Douwe
    Hi all, I'm quite new to flex/actionscript and I was wondering if there is an equivalent for php's (and other languages) FILE and LINE identifiers? Basicly I want to do some custom error logging and would like to something like: var mymessage:String = 'Oops, a hiccup occured at ' + __FILE__ + ', line: ' + __LINE__; Where file and line would ofcourse be substituted for their values at compile time. Is this possible?

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  • How can I get the text color of a button using the Substance LaF?

    - by DR
    In my Java application I have to custom-paint a control and for that I need to use the same font colors as JButton. (Enabled an disabled) I don't want to to hard-code them, because the user can change the Substance skin at runtime. I'm aware of the ColorSchemes but I'm not sure how to proceed once I have the color scheme of the current skin. Also the Substance documentation says something about creating your own color scheme, but I just can't figure out the way to retrieve a certain color.

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  • How make data entry using autogenerated texboxes in ASP.NET MVC?

    - by elbaid
    I'm asking a simple question on how to do data entry when using a custom number of textboxes. Usualy, in books, or tutorials, we consider a fixed number of entries for the controller. But what if the number of entries varies? For a concrete example, imagine some number of products which we need to enter quantity. How to manage this if one time we have 3 products and the other time we have 10 products? Thank you.

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  • Giving Users an Option Between UDP & TCP?

    - by cam
    After studying TCP/UDP difference all week, I just can't decide which to use. I have to send a large amount of constant sensor data, while at the same time sending important data that can't be lost. This made a perfect split for me to use both, then I read a paper (http://www.isoc.org/INET97/proceedings/F3/F3_1.HTM) that says using both causes packet/performance loss in the other. Is there any issue presented if I allow the user to choose which protocol to use (if I program both server side) instead of choosing myself? Are there any disadvantages to this? The only other solution I came up with is to use UDP, and if there seems to be too great of loss of packets, switch to TCP (client-side).

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  • How to copy image of a chart from Silverlight application to clipboard

    - by zidane
    I have Silverlight 3.0 applications with some custom graphic and some charts. I need to find a best way to transfer this graphic to PowerPoint presentation. I`we read that Silverlight 4.0 offers new Clipboard API, but there is only support for Unicode-text, not images. Is there a way to achieve this task without forcing user to manually print screen and than paste to other applicatons.

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  • Niceforms radio buttons are shown on wrong position

    - by fvant
    When i am using Niceforms the normal text inputs and buttons work great and i even managed to get a custom theme for them based on the provided sample psd. But when i use radiobuttons/checkboxes, they get shown some where completely different than the labels. This happens consistently on FF,Chrome and Safari. As soon as i put any positioning css (a float:left or even a ) in the page the radiobuttons break.

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  • scraping blog contents

    - by goh
    Hi lads, After obtaining the urls for various blogspots, tumblr and wordpress pages, I faced some problems processing the html pages. The thing is, i wish to distinguish between the content,title and date for each blog post. I might be able to get the date through regex, but there are so many custom scripts people are using now that the html classes and structure is so different. Does anyone has a solution that may help?

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  • Implement animation in UIButton

    - by sasayins
    I'm new to cocoa and iphone programming and I want to implement an animation in UIButton. For example, I create a custom UIButton with a square image. Then when I press that UIButton, the square image will flip. Note that the square image is the image of the UIButton. [UIButton setImage:[UIImage imageNamed:@"square.png"]];

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  • I need a small parser (jquery) that knows if an input is URL:PORT format

    - by Johua
    You have a user input string from a textbox for example var strInput = $("#txtBox").val(); strInput has some string now. I need to now if it is of this format: IP:PORT Basically a user can input something like this: http://192.168.300.22:20000 1) Frist part (protocol): http:// always needs to be replaced by: https:// 2) Second part (everything until the ":" sign): 192.168.200.22 (or www.google.com) 3) Third part (port): everyhing after ":" (example: 9999, 100000) I step): TAKE THE INPUT var strInput = $("#txtBox").val(); II) step): PARSE THE INPUT III) results): var strProtocol = "https//"; var strIP = parsedIP; var strPORT = parsedPORT; So i need 2 know how to get the values (parsedIP and parsedPORT).

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  • How do you encrypt data between client and server running in Flash and Java?

    - by ArmlessJohn
    We have a multiclient system where the client is written in Flash and the server is written in Java. Currently, communication is done in Flash by usage of flash.net.Socket and the protocol is written in JSON. The server uses a custom port to receive connections and then proceed to talk with each client. As expected, data is sent and received on both fronts as raw bytes, which are then decoded as needed. We would like to encrypt the communication between clients and server. I have some basic understanding about public/private key encryption, but I do not know what is the best way to exchange keys or what libraries are available (on both languages) to do this. What would be the best strategy to attack this problem and where should I start looking for libraries/methods to implement this encryption?

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  • Java Swing - Adding a row # column (row header) to a JTable

    - by llm
    I have data from a database loaded into a JTable through a custom table model. I want to have a column (should be the first column) which simply shows the display row number (i.e. it is not tied to any data (or sorting) but is simply the row number on the screen starting at 1). These "row headers" should be grayed out like the row headers. Any idea how to do this? Thanks

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  • How can I change the arrow style in a JComboBox

    - by Stephane Grenier
    Let's say I want to use a custom image for the arrow in JComboBox, how can I do this? I understand it's possible using the synth xml files, or maybe even UIManager.put(...), but I don't know how. All I want to do at this time is change the arrow image to something else, either programatically or even just overriding the image it uses. How exactly can I do this?

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  • How can I trigger a transition effect when a child control is added or removed in flex?

    - by Jason Towne
    I've got a custom component that has children components dynamically added and removed to it depending on what button the user clicks. What I would like to do is trigger a transition effect that moves the child component onto the stage when it's added and then moves it off when it's removed. Does anyone have a good example on how to accomplish this? Edit: I figured it out and left my solution below. I hope it helps someone else!

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  • a console code editor with CUA (ctrl-x ctrl-v ...) key bindings (unlike vi)

    - by clyfe
    I'm searching for a console code editor with CUA key bindings (ctrl-x c v etc.) Right now i'm toying mcedit but i don't really like it. My desired features are: * be fast * CUA key bindings (ctrl-x c v etc.) * toggle show line numbers * find/replace/goto line * bind custom keys to action( ctrl-shift-arrowdown to double the curent line etc.) * nice simple vi-like interface (no pointless menus) * be able to programatically extend it ... etc.

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  • problem with ansi c unexpected behaviour?

    - by moon
    hi to all! i am suffering with an unexpected behavior,here is problem definitation i have applications communicating on LAN via UDP protocol, i am reading the Ip and Port no from a text file, initially the Ip and Port is working nicely but after some time the Ip that is a char array is corrupted and it takes garbage values, also the file writing is effected by this i mean the values that are in ip array are also written in text file that is written by the same application, i cant understand what is the problem. sorry for weak english. thanx in advance.

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  • Add newlines to a text resource in Android?

    - by shmuelp
    I have a custom Dialog that contains only a TextView to display some text in my application. The documentation lists that only the b, i, u, tt, big, small, sup, sub, and strike tags are supported. I really need to add some newlines for readability. Do I need to change to a more complicated layout, or is there some way to encode newlines in the resource? I tried adding br tags, but that did not help.

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  • Organization of linking to external libraries in C++

    - by Nicholas Palko
    In a cross-platform (Windows, FreeBSD) C++ project I'm working on, I am making use of two external libraries, Protocol Buffers and ZeroMQ. In both projects, I am tracking the latest development branch, so these libraries are recompiled / replaced often. For a development scenario, where is the best place to keep libprotobuf.{a,lib} and zeromq.{so,dll}? Should I have my build script copy them from their respective project directories into my local project's directory (say MyProjectRoot/lib or MyProjectRoot/bin) before I build my project? This seems preferable to tossing things into /usr/local/lib, as I wouldn't want to replace a system-wide stable version with the latest experimental one. Cmake warns me whenever I specify a relative path for linking, so I would suspect copying is a better solution then relative linking? Is this the best approach? Thanks for your help!

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  • Best way to format a query string in an asp.net mvc url?

    - by Stuart
    I've noticed that if you sent a query string routevalue through asp.net mvc you end up with all whitespaces urlencoded into "%20". What is the best way of overriding this formatting as I would like whitespace to be converted into the "+" sign? I was thinking of perhaps using a custom Route object or a class that derives from IRouteHandler but would appreciate any advice you might have.

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  • Why membership provider is not generic?

    - by Timmy O' Tool
    I have to confess that I hate membership provider. The default implementation is not very appropriate normally and I haven't seen so far a good implementation of a custom membership provider, probably because this is not possible :-) So the question is: In your opinion: which are the reasons for not having membership/role provider as a generic class? I mean, why Microsoft didn't selected this approach.

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  • Should HTTP POST be discouraged?

    - by Tomas Sedovic
    Quoting from the CouchDB documentation: It is recommended that you avoid POST when possible, because proxies and other network intermediaries will occasionally resend POST requests, which can result in duplicate document creation. To my understanding, this should not be happening on the protocol level (a confused user armed with a doubleclick is a completely different story). What is the best course of action, then? Should we really try to avoid POST requests and replace them by PUT? I don't like that as they convey a different meaning. Should we anticipate this and protect the requests by unique IDs where we want to avoid accidental duplication? I don't like that either: it complicates the code and prevents situations where multiple identical posts may be desired.

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